English verb conjugation
COULD BLAME

Regular verb: blame - blamed - blamed

Affirmation

Simple form	V-ing form
I could blame you could blame she could blame we could blame you could blame they could blame	I could be blaming you could be blaming she could be blaming we could be blaming you could be blaming they could be blaming
Perfect	V-ing perfect
I could have blamed you could have blamed she could have blamed we could have blamed you could have blamed they could have blamed	I could have been blaming you could have been blaming she could have been blaming we could have been blaming you could have been blaming they could have been blaming

Negation

Simple form	V-ing form
I couldn't blame you couldn't blame she couldn't blame we couldn't blame you couldn't blame they couldn't blame	I couldn't be blaming you couldn't be blaming she couldn't be blaming we couldn't be blaming you couldn't be blaming they couldn't be blaming
Perfect	V-ing perfect
I couldn't have blamed you couldn't have blamed she couldn't have blamed we couldn't have blamed you couldn't have blamed they couldn't have blamed	I couldn't have been blaming you couldn't have been blaming she couldn't have been blaming we couldn't have been blaming you couldn't have been blaming they couldn't have been blaming

Interrogative form

Simple form	V-ing form
could I blame? could you blame? could she blame? could we blame? could you blame? could they blame?	could I be blaming? could you be blaming? could she be blaming? could we be blaming? could you be blaming? could they be blaming?
Perfect	V-ing perfect
could I have blamed? could you have blamed? could she have blamed? could we have blamed? could you have blamed? could they have blamed?	could I have been blaming? could you have been blaming? could she have been blaming? could we have been blaming? could you have been blaming? could they have been blaming?

Interro-negative form

Simple form	V-ing form
couldn't I blame? couldn't you blame? couldn't she blame? couldn't we blame? couldn't you blame? couldn't they blame?	couldn't I be blaming? couldn't you be blaming? couldn't she be blaming? couldn't we be blaming? couldn't you be blaming? couldn't they be blaming?
Perfect	V-ing perfect
couldn't I have blamed? couldn't you have blamed? couldn't she have blamed? couldn't we have blamed? couldn't you have blamed? couldn't they have blamed?	couldn't I have been blaming? couldn't you have been blaming? couldn't she have been blaming? couldn't we have been blaming? couldn't you have been blaming? couldn't they have been blaming?